# DragonFly BSD

> operating system

**Wikidata**: [Q751067](https://www.wikidata.org/wiki/Q751067)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/DragonFly_BSD)  
**Source**: https://4ort.xyz/entity/dragonfly-bsd

Here’s the structured knowledge entry for DragonFly BSD:

---

## Summary  
DragonFly BSD is a free, Unix-like operating system descended from FreeBSD, designed for high performance and scalability. Created by Matthew Dillon in 2004, it emphasizes lightweight threading, messaging, and filesystem innovations. It is part of the BSD family and is known for its unique HAMMER filesystem and clustering capabilities.

## Key Facts  
- **Inception**: Released on July 12, 2004 ([reference](https://lists.freebsd.org/pipermail/freebsd-current/2003-July/006889.html)).  
- **Creator**: Developed by Matthew Dillon, a computer scientist and programmer ([reference](http://www.dragonflybsd.org/team/)).  
- **Based on**: Forked from FreeBSD ([reference](http://grok.su/DragonFly/share/misc/bsd-family-tree)).  
- **License**: Uses BSD licenses.  
- **Latest Stable Version**: 5.2.1 (as of May 21, 2018) ([reference](https://www.dragonflybsd.org/release52/)).  
- **Mascot**: Fred.  
- **Package Management**: Uses FreeBSD ports.  
- **GUI**: Primarily command-line interface.  
- **Social Media**: Twitter handle `@DragonFlyBSD` with 6,030 followers (as of January 2021).  

## FAQs  
### Q: What makes DragonFly BSD different from FreeBSD?  
A: DragonFly BSD forked from FreeBSD in 2004 to focus on lightweight threading, messaging, and the HAMMER filesystem, offering unique scalability features.  

### Q: Is DragonFly BSD suitable for beginners?  
A: While it shares similarities with other BSD systems, DragonFly BSD is geared toward advanced users due to its focus on performance and clustering.  

### Q: What hardware does DragonFly BSD support?  
A: It primarily supports x86-64 platforms, with optimizations for modern multi-core systems ([reference](https://www.dragonflybsd.org/)).  

## Why It Matters  
DragonFly BSD is significant for its innovations in operating system design, particularly in scalability and filesystem technology. Its HAMMER filesystem offers advanced features like snapshots and crash recovery, making it appealing for high-performance environments. The system's lightweight threading and messaging architecture also distinguish it from traditional Unix-like systems, enabling efficient resource utilization. DragonFly BSD serves as a testing ground for cutting-edge ideas in distributed computing and storage, influencing broader OS development.

## Notable For  
- **HAMMER Filesystem**: A modern filesystem with built-in snapshots and crash recovery.  
- **Lightweight Threading**: Optimized for multi-core performance.  
- **Messaging Architecture**: Unique IPC (inter-process communication) design for scalability.  
- **Clustering Support**: Early focus on distributed computing capabilities.  

## Body  
### Origins and Development  
- Forked from FreeBSD in 2004 by Matthew Dillon ([reference](http://grok.su/DragonFly/share/misc/bsd-family-tree)).  
- Initial release announced on July 16, 2003 ([reference](https://lists.freebsd.org/pipermail/freebsd-current/2003-July/006889.html)).  

### Technical Features  
- **Filesystem**: HAMMER, supporting snapshots and crash recovery.  
- **Threading**: Lightweight kernel threads (`lwkt`) for efficient multi-core use.  
- **Package Management**: Uses FreeBSD ports for software installation.  

### Community and Adoption  
- Maintained by a small but active community.  
- Official website: [dragonflybsd.org](https://www.dragonflybsd.org).  

## Schema Markup  
```json
{
  "@context": "https://schema.org",
  "@type": "SoftwareApplication",
  "name": "DragonFly BSD",
  "description": "A free, Unix-like operating system descended from FreeBSD, designed for high performance and scalability.",
  "url": "https://www.dragonflybsd.org",
  "operatingSystem": "Unix-like",
  "softwareVersion": "5.2.1",
  "license": "BSD licenses",
  "creator": {
    "@type": "Person",
    "name": "Matthew Dillon"
  },
  "dateCreated": "2004-07-12",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q1145939",
    "https://en.wikipedia.org/wiki/DragonFly_BSD"
  ]
}

## References

1. [Source](http://www.dragonflybsd.org/team/)
2. [Source](http://bxr.su/d/share/man/man7/committer.7)
3. [Source](http://grok.su/DragonFly/share/misc/bsd-family-tree)
4. [2013](https://www.dragonflybsd.org/release34/)
5. [Source](http://www.dragonflybsd.org/release42/)
6. [DragonFly BSD 4.4](http://www.dragonflybsd.org/release44/)
7. [Source](https://linuxfr.org/news/dragonfly-bsd-4-6-et-4-6-1)
8. [Source](https://www.dragonflybsd.org/release48/)
9. [Source](https://www.dragonflybsd.org/release50/)
10. [Source](https://www.dragonflybsd.org/release52/)
11. [DragonFly BSD 5.4](https://www.dragonflybsd.org/release54/)
12. [Source](http://www.dragonflybsd.org/release54/)
13. [2019](http://www.dragonflybsd.org/release56/)
14. [Source](https://www.dragonflybsd.org/release58/)
15. [DragonFly BSD 6.0](https://www.dragonflybsd.org/release60/)
16. [Source](https://www.dragonflybsd.org/release62/)
17. [DragonFly BSD 6.4](https://www.dragonflybsd.org/release64/)
18. [Source](https://github.com/DragonFlyBSD/DragonFlyBSD/releases/tag/v6.4.0)
19. [DragonFly 6.4.1 released. 2025](https://lists.dragonflybsd.org/pipermail/users/2025-April/452470.html)
20. [DragonFly 6.4.2 released. 2025](https://lists.dragonflybsd.org/pipermail/users/2025-May/452482.html)
21. [Source](https://lists.freebsd.org/pipermail/freebsd-current/2003-July/006889.html)
22. Freebase Data Dumps. 2013
23. [Source](https://www.dragonflybsd.org/)
24. KBpedia